<template>
  <div class="updatePhoto">
    <img
      class="img"
      :src="img"
      ref="img"
    />
    <div class="toolbar">
      <span @click="$emit('close')">取消</span>
      <span @click="confirm">完成</span>
    </div>
  </div>
</template>

<script>
import 'cropperjs/dist/cropper.css'
import Cropper from 'cropperjs'

import { updateUserAvatar } from '@/api/user.js'
export default {
  name: 'UpdatePhoto',
  components: {},
  props: {
    img: {
      type: [String, Object],
      required: true
    }
  },
  data () {
    return {
    }
  },
  computed: {},
  watch: {},
  created () { },
  mounted () {
    const image = this.$refs.img
    this.cropper = new Cropper(image, {
      viewMode: 1, // 只能在裁剪的图片范围内移动
      dragMode: 'move', // 画布和图片都可以移动
      aspectRatio: 1, // 裁剪区默认正方形
      autoCropArea: 1, // 自动调整裁剪图片
      cropBoxMovable: false, // 禁止裁剪区移动
      cropBoxResizable: false, // 禁止裁剪区缩放
      background: false // 关闭默认背景
    })
    console.log(Cropper)
  },
  methods: {
    confirm () {
      // console.log(this.cropper.getData())
      this.cropper.getCroppedCanvas().toBlob(async blob => {
        // 创建formData数据
        const formData = new FormData()
        formData.append('photo', blob)
        const { data } = await updateUserAvatar(formData)
        // 关闭弹层，更新视图
        this.$emit('close')
        this.$emit('update-photo', data.data.photo)
      })
    }
  }
}
</script>

<style scoped lang="less">
.updatePhoto {
  background: #000;
  width: 100%;
  height: 100%;
  .toolbar {
    position: fixed;
    bottom: 10px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    font-size: 28px;
    color: blue;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .img {
    max-width: 100%;
  }
}
</style>
